Harry Potter and the Prisoner of Azkaban Original Motion Picture Soundtrack, composed by John Williams, offers a more mature sound for the franchise. Tracks like "Buckbeak's Flight" and "Aunt Marge's Waltz" capture the film's adventure and whimsy. Nominated for a Grammy, the score introduces new themes while revisiting familiar motifs. It deepens the emotional complexity of the series, reflecting Harry's growth and darker themes.